Possible Clues:

• Impressionist painter Mary
• Frequent mother-and-child painter
• American collaborator of Degas
• Impressionist painter born in Allegheny, Pennsylvania
• Mary who painted in Paris
• Mary who collaborated with Degas
• “Lady at the Tea Table” painter
• American Impressionist Mary
• Mary --, American impressionist painter who lived in France
• 'The Child's Bath' painter